ClipArt ETC
"Shows how the bones of the arm (a), forearm (b), and hand (c), are twisted, and form a conical screw."—Pettigrew, 1874

Wing of Bird

"Shows how the bones of the arm (a), forearm (b), and hand (c), are twisted, and form a conical screw."—Pettigrew,…

A cone of seeds from a pine tree.

Pine Cone

A cone of seeds from a pine tree.

"Rogers's Conical Boiler, which has long been in use, is very suitable for heating pits and small houses, since it is economical of fuel, and gives out a steady heat for a long time, 15 to 20 hours." — Encyclopedia Britannica, 1893

Conical Boiler

"Rogers's Conical Boiler, which has long been in use, is very suitable for heating pits and small houses,…

"Cast or mold of the interior of the left ventricle of the heart of a deer. Shows that the left ventricular cavity in conical and spiral in its nature."—Pettigrew, 1874

Heart of a Deer

"Cast or mold of the interior of the left ventricle of the heart of a deer. Shows that the left ventricular…

An illustration of a conical dredge being hoisted in.

Conical Dredge

An illustration of a conical dredge being hoisted in.

A hawfinch head.

Hawfinch

A hawfinch head.

A cone of seeds from a larch tree.

Larch Cone

A cone of seeds from a larch tree.